1836945920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 160

約数和(自身を含む): 4619704320

約数和(自身を除く): 2782758400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 256, 293, 310, 316, 320, 395, 496, 512, 586, 620, 632, 640, 790, 992, 1172, 1240, 1264, 1280, 1465, 1580, 1984, 2344, 2449, 2480, 2528, 2560, 2930, 3160, 3968, 4688, 4898, 4960, 5056, 5860, 6320, 7936, 9083, 9376, 9796, 9920, 10112, 11720, 12245, 12640, 15872, 18166, 18752, 19592, 19840, 20224, 23147, 23440, 24490, 25280, 36332, 37504, 39184, 39680, 40448, 45415, 46294, 46880, 48980, 50560, 72664, 75008, 78368, 79360, 90830, 92588, 93760, 97960, 101120, 115735, 145328, 150016, 156736, 181660, 185176, 187520, 195920, 202240, 231470, 290656, 313472, 363320, 370352, 375040, 391840, 462940, 581312, 626944, 717557, 726640, 740704, 750080, 783680, 925880, 1162624, 1253888, 1435114, 1453280, 1481408, 1567360, 1851760, 2325248, 2870228, 2906560, 2962816, 3134720, 3587785, 3703520, 4650496, 5740456, 5813120, 5925632, 6269440, 7175570, 7407040, 11480912, 11626240, 11851264, 14351140, 14814080, 22961824, 23252480, 28702280, 29628160, 45923648, 57404560, 59256320, 91847296, 114809120, 183694592, 229618240, 367389184, 459236480, 918472960, 1836945920]

約数ペア:

[(1, 1836945920), (2, 918472960), (4, 459236480), (5, 367389184), (8, 229618240), (10, 183694592), (16, 114809120), (20, 91847296), (31, 59256320), (32, 57404560), (40, 45923648), (62, 29628160), (64, 28702280), (79, 23252480), (80, 22961824), (124, 14814080), (128, 14351140), (155, 11851264), (158, 11626240), (160, 11480912), (248, 7407040), (256, 7175570), (293, 6269440), (310, 5925632), (316, 5813120), (320, 5740456), (395, 4650496), (496, 3703520), (512, 3587785), (586, 3134720), (620, 2962816), (632, 2906560), (640, 2870228), (790, 2325248), (992, 1851760), (1172, 1567360), (1240, 1481408), (1264, 1453280), (1280, 1435114), (1465, 1253888), (1580, 1162624), (1984, 925880), (2344, 783680), (2449, 750080), (2480, 740704), (2528, 726640), (2560, 717557), (2930, 626944), (3160, 581312), (3968, 462940), (4688, 391840), (4898, 375040), (4960, 370352), (5056, 363320), (5860, 313472), (6320, 290656), (7936, 231470), (9083, 202240), (9376, 195920), (9796, 187520), (9920, 185176), (10112, 181660), (11720, 156736), (12245, 150016), (12640, 145328), (15872, 115735), (18166, 101120), (18752, 97960), (19592, 93760), (19840, 92588), (20224, 90830), (23147, 79360), (23440, 78368), (24490, 75008), (25280, 72664), (36332, 50560), (37504, 48980), (39184, 46880), (39680, 46294), (40448, 45415)]